221729586

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{66109}}^1$

素因数の和:66170

約数の個数: 32

約数和(自身を含む): 488685120

約数和(自身を除く): 266955534

約数列:

[1, 2, 3, 6, 13, 26, 39, 43, 78, 86, 129, 258, 559, 1118, 1677, 3354, 66109, 132218, 198327, 396654, 859417, 1718834, 2578251, 2842687, 5156502, 5685374, 8528061, 17056122, 36954931, 73909862, 110864793, 221729586]

約数ペア:

[(1, 221729586), (2, 110864793), (3, 73909862), (6, 36954931), (13, 17056122), (26, 8528061), (39, 5685374), (43, 5156502), (78, 2842687), (86, 2578251), (129, 1718834), (258, 859417), (559, 396654), (1118, 198327), (1677, 132218), (3354, 66109)]